<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>404</title>
  <style>
    .container {
      width: 100%;
      word-wrap: break-word;
    }

    .center {
      display: grid;
      place-items: center;
    }

    a {
      text-decoration: none;
      color: #42424f;
    }
  </style>
</head>
<body>
  <div class="container">
    <div style="height: 15rem;" class="center">
      <h2>404: 没有找到页面</h2>
    </div>
    <div class="center">
      <a href="/">回到首页</a>
    </div>
    
  </div>
</body>
</html>